95866721 has 4 divisors (see below), whose sum is σ = 99172500. Its totient is φ = 92560944.

The previous prime is 95866711. The next prime is 95866747. The reversal of 95866721 is 12766859.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12766859 = 7 ⋅1823837.

It can be written as a sum of positive squares in 2 ways, for example, as 81721600 + 14145121 = 9040^2 + 3761^2 .

It is a cyclic number.

It is not a de Polignac number, because 95866721 - 2¹⁸ = 95604577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (95866711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1652846 + ... + 1652903.

It is an arithmetic number, because the mean of its divisors is an integer number (24793125).

Almost surely, 2^95866721 is an apocalyptic number.

It is an amenable number.

95866721 is a deficient number, since it is larger than the sum of its proper divisors (3305779).

95866721 is a wasteful number, since it uses less digits than its factorization.

95866721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3305778.

The product of its digits is 181440, while the sum is 44.

The square root of 95866721 is about 9791.1552433817. The cubic root of 95866721 is about 457.6737011493.

The spelling of 95866721 in words is "ninety-five million, eight hundred sixty-six thousand, seven hundred twenty-one".